* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #111;
  color: #eee;
  line-height: 1.6;
}

.hero {
  height: 70vh;
  background:
    linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.8)),
    url('https://images.unsplash.com/photo-1511379938547-c1f69419868d?q=80&w=1600&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.overlay {
  padding: 2rem;
}

h1 {
  font-size: 3rem;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.subtitle {
  max-width: 700px;
  margin: 0 auto;
  color: #ccc;
}

nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 1rem;
  background: #1a1a1a;
  position: sticky;
  top: 0;
}

nav a {
  color: #ddd;
  text-decoration: none;
}

nav a:hover {
  color: white;
}

section {
  max-width: 1000px;
  margin: auto;
  padding: 4rem 2rem;
}

h2 {
  margin-bottom: 2rem;
  font-size: 2rem;
  border-bottom: 1px solid #444;
  padding-bottom: 0.5rem;
}

.card {
  background: #1c1c1c;
  padding: 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid #333;
}

.embed-placeholder {
  margin-top: 1rem;
  padding: 2rem;
  border: 1px dashed #555;
  color: #888;
  text-align: center;
}

footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid #333;
  color: #777;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  nav {
    flex-wrap: wrap;
    gap: 1rem;
  }
}